ML 110837

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Humpback Whale -- Megaptera novaeangliae More
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1 Adult Male  

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Paul J Perkins
Howard E Winn
15 Feb 1973 at 08:42

    Latitude/Longitude
  • 18.61683   -64.55067
    Elevation
  • -16 meters
    Channels
  • Stereo
    Sampling Rate
    Bit Depth
    Recorders
    Microphones
  • Sennheiser MKH 816P48
    Accessories
    Equipment Note

NOTES: LNS notes: Left channel is hydrophone, right channel is recordist and observer voice announcements. 12Sep2003 SAS. Reel notes: "2' of tape broke off at beginning - didn't upset full call. 9/75. 0842-0930. Virgin Island Banks. 15 Feb 1973. Close individual humpback. Clean sounds. Starts a bit ahead of a surface (to catch complete call). Two complete calls, last was 21 min duration 2 blow periods. Part way in sound stops + animal breaches many times then starts calling again." Sound recording Log: "Date: 15 Feb 1973. Time start: 0842. Time stop: 0930. Cruise #: A-388. Tape #'s 19. Position: Lat. 18¡.37.2N. Long. 64¡33.4W. Species: Humpback. Number: 1. Est. Range: 1/2 mile. True bearing: 305¡T. Rel. Bearing: Port Bow. Movements: Stationary more or less. Other species present: None seen/heard. Weather: Partly cloudy. Sea state & noise level: 3 mod. Depth: 9 fath. Propulsion & aux. noise status: Engines/radar off. Recorder: UNQ-7a. Filters: Open. Gain: 1/3. Hydrophone: R-130. If Hump: # full calls: 2. Any peculiarities: Breaches in first, 2nd was 21 min. duration. Other notes: Tape starts slightly ahead of last blow prior to dive or beginning of the call. Clean sounds - part way in reel animal stops calling, breaches 4-6 times (hear heavy slap as body 1/4 mile away falls flat on surface). Then it starts calling again. There is a hi frequency AC buzz which cannot be eliminated from the A.C. power line at this time. It can be filtered out during analysis. Two complete calls - last was 21 min duration." SEAOCEAN TEMPAIR: 27

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